A. Gritsan

activity

19972025

most citedSearches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma

635 citations · 4.7k across the 97 of their papers we have counts for

collaborators

98 papers

hep-ex2025★ 20 cited

ECFA Higgs, electroweak, and top Factory Study

H. Abidi, J. A. Aguilar-Saavedra, S. Airen +373

The ECFA Higgs, electroweak, and top Factory Study ran between 2021 and 2025 as a broad effort across the experimental and theoretical particle physics communities, bringing togeth…

physics.soc-ph2024

A Science4Peace initiative: Alleviating the consequences of sanctions in international scientific cooperation

A. Ali, M. Barone, S. Brentjes +23

The armed invasion of Ukraine by the Russian Federation has adversely affected the relations between Russia and Western countries. Among other aspects, it has put scientific cooper…

hep-ex2021

Search for an Axion-Like Particle in B Meson Decays

The BABAR Collaboration

Axion-like particles (ALPs) are predicted in many extensions of the Standard Model, and their masses can naturally be well below the electroweak scale. In the presence of couplings…

hep-ex2021

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0}$ and $π^{+} π^{-} π^{0} π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

BaBar Collaboration

We study the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0} γ$ and $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with…

hep-ex2021★ 1 cited

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

BABAR Collaboration

We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a $b$ ~quark and $b$ ~antiquark bound state. We look for the LFV decay $Υ(3S)\rightarrow…

hep-ex2021★ 4 cited

Search for Darkonium in $e^{+} e^{-}$ Collisions

The BABAR Collaboration

Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dar…

hep-ex2021★ 40 cited

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

J. P. Lees

We study the processes $γ γ \to η_{c} \to η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ using a data sample of 519 $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II a…

hep-ex2021★ 5 cited

Study of the reactions $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0}$ and $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

The BABAR Collaboration

We study the processes $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0} γ$ and $2 (π^{+} π^{-}) π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with the \ba…

hep-ex2020★ 6 cited

Precision measurement of the $B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ ratio

J. P. Lees, V. Poireau, V. Tisserand +238

We report on a precision measurement of the ratio $R_{τ μ}^{Υ (3 S)} = B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ using data collected with the BaBar detector at the SL…

hep-ex2020★ 10 cited

Search for lepton-flavor violating decays $D^{0} \to X^{0} e^{\pm} μ^{\mp}$

BaBar Collaboration, J. P. Lees, V. Poireau +238

We present a search for seven lepton-flavor-violating neutral charm decays of the type $D^{0} \to X^{0} e^{\pm} μ^{\mp}$ , where $X^{0}$ represents a $π^{0}$ , $K_{S}^{0}$ …

hep-ex2019★ 31 cited

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

J. P. Lees, V. Poireau, V. Tisserand +232

A study of the two body decays $B^{\pm} \to X_{c c ˉ} K^{\pm}$ , where X $_{c c ˉ}$ refers to one charmonium state, is reported by BaBar collaboration using a data sample of 42…

hep-ex2019★ 6 cited

Search for $B^{-} \to Λ p ˉ ν ν ˉ$ with the BABAR experiment

The BABAR Collaboration, J. P. Lees, V. Poireau +235

We search for the rare flavor-changing neutral current process $B^{-} \to Λ p ν ν$ using data from the BABAR experiment. A total of 424 fb $^{- 1}$ of $e^{+} e^{-}$ col…

hep-ex2019★ 7 cited

Search for rare or forbidden decays of the $D^{0}$ meson

J. P. Lees, V. Poireau, V. Tisserand +234

We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type $D^{0} \to h^{' -} h^{-} ℓ^{' +} ℓ^{+}$ …

hep-ex2018★ 34 cited

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

J. P. Lees

We study the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with the BaBar~ det…

hep-ex2017★ 12 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation

The BABAR Collaboration

The processes $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} η$ are studied over a continuum of energies from threshold…

hep-ex2016★ 24 cited

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

The BABAR Collaboration

Based on the full BaBar data sample of 466.5 million BBbar pairs, we present measurements of the electron spectrum from semileptonic B meson decays. We fit the inclusive electron s…

hep-ex2016★ 9 cited

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

The BABAR Collaboration

Using a sample of (470.9 +- 2.8) x 10^6 BB-bar pairs, we measure the decay branching fraction B(B^0 -> D^*- pi^+ pi^- pi^+) = (7.26 +- 0.11 +- 0.31) x 10^-3, where the first uncert…

hep-ex2016★ 198 cited

Search for a muonic dark force at BABAR

The BABAR Collaboration

Many models of physics beyond the Standard Model predict the existence of new Abelian forces with new gauge bosons mediating interactions between "dark sectors" and the Standard Mo…

hep-ex2015★ 16 cited

Time-dependent analysis of $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ decays and studies of the $K^{+} π^{-} π^{+}$ system in $B^{+} \to K^{+} π^{-} π^{+} γ$ decays

P. del Amo Sanchez, others

We measure the time-dependent $C P$ asymmetry in the radiative-penguin decay $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ , using a sample of $471$ million $Υ(4S) \to B{\kern 0.18em\overline{\kern…

hep-ex2015★ 20 cited

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

The BABAR Collaboration, J. P. Lees, others

We study the processes $γ γ \to K_{S}^{0} K^{\pm} π^{\mp}$ and $γ γ \to K^{+} K^{-} π^{0}$ using a data sample of 519~ $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II asymm…

hep-ex2015★ 25 cited

Study of the $e^{+} e^{-} \to K^{+} K^{-}$ reaction in the energy range from 2.6 to 8.0 GeV

The BABAR Collaboration

The $e^{+} e^{-} \to K^{+} K^{-}$ cross section and charged-kaon electromagnetic form factor are measured in the $e^{+} e^{-}$ center-of-mass energy range ( $E$ ) from 2.6 to 8.0 GeV using the initi…

hep-ex2015★ 17 cited

Evidence for $C P$ violation in $B^{+} \to K^{*} (892)^{+} π^{0}$ from a Dalitz plot analysis of $B^{+} \to K_{S}^{0} π^{+} π^{0}$ decays

J. P. Lees

We report a Dalitz plot analysis of charmless hadronic decays of charged $B$ mesons to the final state $K_{S}^{0} π^{+} π^{0}$ using the full BaBar dataset of $470.9 \pm 2.8$ milli…

hep-ex2014★ 19 cited

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

The BABAR Collaboration, J. P. Lees, others

We present a measurement of the asymmetry $A_{C P}$ between same-sign inclusive dilepton samples $ℓ^{+} ℓ^{+}$ and $ℓ^{-} ℓ^{-}$ ( $ℓ = e, μ$ ) from semileptonic B decays in Y(4…

hep-ex2014★ 10 cited

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

J. P. Lees

We use $(121 \pm 1)$ million $Υ (3 S)$ and $(98 \pm 1)$ million $Υ (2 S)$ mesons recorded by the BABAR detector at the PEP-II $e^{+} e^{-}$ collider at SLAC to perform a study of radiative tran…

ECFA Higgs, electroweak, and top Factory Study

A Science4Peace initiative: Alleviating the consequences of sanctions in international scientific cooperation

Search for an Axion-Like Particle in B Meson Decays

Study of the reactions e+e−→π+π−π0π0π0π0 and π+π−π0π0π0η at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Search for Lepton Flavor Violation in Υ(3S)→e±μ∓

Search for Darkonium in e+e− Collisions

Light meson spectroscopy from Dalitz plot analyses of ηc​ decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions

Study of the reactions e+e−→2(π+π−)π0π0π0 and e+e−→2(π+π−)π0π0η at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Precision measurement of the B(Υ(3S)→τ+τ−)/B(Υ(3S)→μ+μ−) ratio

Search for lepton-flavor violating decays D0→X0e±μ∓

Measurements of the Absolute Branching Fractions of B±→K±Xccˉ​

Search for B−→Λpˉ​ννˉ with the BABAR experiment

Search for rare or forbidden decays of the D0 meson

Study of the reactions e+e−→π+π−π0π0π0γ and π+π−π0π0ηγ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Measurement of the e+e−→KS0​K±π∓π0 and KS0​K±π∓η cross sections using initial-state radiation

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

Search for a muonic dark force at BABAR

Time-dependent analysis of B0→KS0​π−π+γ decays and studies of the K+π−π+ system in B+→K+π−π+γ decays

Measurement of the I=1/2 Kπ S-wave amplitude from Dalitz plot analyses of ηc​→KKˉπ in two-photon interactions

Study of the e+e−→K+K− reaction in the energy range from 2.6 to 8.0 GeV

Evidence for CP violation in B+→K∗(892)+π0 from a Dalitz plot analysis of B+→KS0​π+π0 decays

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0}$ and $π^{+} π^{-} π^{0} π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

Search for Darkonium in $e^{+} e^{-}$ Collisions

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

Study of the reactions $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0}$ and $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Precision measurement of the $B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ ratio

Search for lepton-flavor violating decays $D^{0} \to X^{0} e^{\pm} μ^{\mp}$

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

Search for $B^{-} \to Λ p ˉ ν ν ˉ$ with the BABAR experiment

Search for rare or forbidden decays of the $D^{0}$ meson

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation

Time-dependent analysis of $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ decays and studies of the $K^{+} π^{-} π^{+}$ system in $B^{+} \to K^{+} π^{-} π^{+} γ$ decays

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

Study of the $e^{+} e^{-} \to K^{+} K^{-}$ reaction in the energy range from 2.6 to 8.0 GeV

Evidence for $C P$ violation in $B^{+} \to K^{*} (892)^{+} π^{0}$ from a Dalitz plot analysis of $B^{+} \to K_{S}^{0} π^{+} π^{0}$ decays